WebApr 12, 2024 · The length of the 6mm GT also helps it to feed better. Measured from the base to the shoulder junction, the 6mm GT is .100 inches longer than the Dasher, and the neck length of the 6mm GT is .050 inches longer. All in all, this makes the 6mm GT brass .150 inches longer than the Dasher, further improving feed reliability. WebJan 30, 2024 · If the rifle is a Savage or one of the Mossbergs that use a barrel nut, you can probably readjust the barrel to lengthen the shoulder depth. ... Unable to bump shoulder The brass has been shot 3 times, but this is the first time I tried to use the body die. 3 neck sizings shouldn't be too much I would imagine for the springback issue. As ...
Extend Your Brass Life, How to Shoulder Bump
WebAug 25, 2008 · Resize a case and try it (unprimed and empty) in the chamber of your firearm. If the empty case does not chamber or chambers with difficulty, switch to the … WebJan 18, 2024 · On a bolt action you bump the shoulder back .001 to .003 below the red dotted line and on a semi-auto you bump the shoulder back .003 to .006. ... then cycling them through your rifle. If the die is not … tk services alaska
Reloading Step 1: Resizing the Rifle Case - ctdshooting
WebAug 13, 2024 · From that point on the degree of cam over* is based bumping the shoulder back .001 to .002 on a fired case for that specific rifle. I full length resize (fired cases) all my rifle cases using a .001 to .002 bump and except for a rare neck split, I get about 15 to 17 reloads per case without any signs of incipient head separation. WebFeb 9, 2024 · Once i am comfortable the brass is fully expanded; I use Alex Wheeler's method of determining headspace. I set my die based on the required resizing of the 3x … WebTo check your shoulder bump setting, close the bolt on a piece of resized brass. It should take much less force than the fired brass (maximum value), but slightly more than the minimum value. Many Benchrest shooters use this method (or one similar) for setting up their resizing die. tk seroja cirebon